WASHINGTON — Attention wealthy nations and billionaires: A team of former NASA executives will fly you to the moon in an out-of-this-world commercial venture combining the wizardry of Apollo and the marketing of Apple.

For a mere $1.5 billion, the business is offering countries the chance to send two people to the moon and back, either for research or prestige. And if you are an individual with that kind of money to spare, you, too, can go to the moon for a couple days.